$ git clone -n https://gitee.com/mgb01105731/python-tornado.git /var/lib/mock/dist-an23-build-353338-71018/root/chroot_tmpdir/scmroot/python-tornado
Cloning into '/var/lib/mock/dist-an23-build-353338-71018/root/chroot_tmpdir/scmroot/python-tornado'...
$ git reset --hard 8408556f7fffc1826a4e8780c0b401a80cae94fe
HEAD is now at 8408556 update to 6.3.3